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  • #240

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Opened Mar 20, 2018 by Kevin Harms@harms
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Investigate issues on Cooley with LD_PRELOAD=libdarshan.so:libtrackdeps.so together

Running tests on Cooley, I found MPI executables would crash when LD_PRELOAD was set to point to the libfmpich.so:libdarshan.so:libtrackdeps.so. Removing libtrackdeps.so solved the crash problem. It's not clear how trackdeps is working. Will need to talk to Hal.

Cooley documentation currently states to only set LD_PRELOAD=$DARSHAN_PRELOAD, so it avoids this issue. This was detected when running the regression suite which keeps any existing LD_PRELOAD libraries in addition to adding darshan.

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Reference: darshan/darshan#240